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Kaylene Widdoes


Active since 2015

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ODE45 system of equations inaccurate?
So I have a system of equations that I have to solve and plot for 3 separate concentrations C1,C2,C3. The initial conditions are...

8 years ago | 1 answer | 0

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answer

Question


ODE45 - How do I set up the conditions so that I'm not getting an error on 0?
I have to choose an appropriate ode solver for y'(t) = te^(-1000*t) - 10*y(t) with y(0) = 0 for 0<=t<=0.5. I also have to choose...

8 years ago | 1 answer | 0

1

answer

Question


Adams Bashforth Multon Code not running
Hello! I am trying to plot 3 different ABM codes with different h values as step sizes. I cannot get the script to run accuratel...

9 years ago | 2 answers | 0

2

answers

Question


Why am I getting this error trying to plot?
Here is my code - it will not let me plot. I am trying to plot everything on one graph and cannot do so. % HW 3 Part 3 ...

9 years ago | 1 answer | 0

1

answer

Question


Taylor Series matlab using partial derivatives not running
I am not sure how to run the loop for this. It's giving me an error saying I overwrote a variable in the loop but I'm not sure I...

9 years ago | 1 answer | 0

1

answer

Question


Heun's Method not graphing right
I have the following equation: (x^3)y' + 20*(x^2)y = x with y(2)=0 that I'm trying to graph from 2,10 The graph is running re...

9 years ago | 1 answer | 0

1

answer

Question


Euler method is coming up wrong? Help?
I have the following equation: (x^3)y' + 20*(x^2)y = x with y(2)=0 I have to get the Euler code to run and execute. So far th...

9 years ago | 0 answers | 0

0

answers

Question


Any ideas why Euler method isn't running?
I have the following equation: (x^3)y' + 20*(x^2)y = x with y(2)=0 I have to get the Euler code to run and execute. So far th...

9 years ago | 1 answer | 0

1

answer

Question


What is the error here? Euler Method for 2nd order equations?
I have the following files and script file, but the graph is definitely wrong for the approximations. Any ideas? Code: ...

9 years ago | 1 answer | 0

1

answer

Question


Why is only one plot printing?
Trying to get both resolutions of this graph to print on one figure. Any ideas why it's only printing one? clear all ...

9 years ago | 1 answer | 0

1

answer

Question


Why isn't the plot showing up?
I'm supposed to have two different figures, one with a resolution of 1, one with a resolution of 0.1. Why aren't the figures sho...

9 years ago | 2 answers | 0

2

answers

Question


Interpolating Polynomials Question Code
I'm having some trouble getting this to run. Any suggestions are appreciated. This is what I have done so far and I am getting a...

9 years ago | 1 answer | 0

1

answer

Question


Jacobi Iterations Coding Question
Here's what I have so far with my code. It says that the function file is not available in this context. I am wondering what I h...

9 years ago | 1 answer | 0

1

answer

Question


velocity of a rocket (bisection root finding)
I am completely at a loss. Any suggestions are appreciated. I am not looking for the answer, just something to get me started si...

9 years ago | 1 answer | 0

1

answer

Question


Secant Method HW Question
This is one of my homework questions and I don't know where to start with it. Any suggestions are appreciated. I am not asking f...

9 years ago | 0 answers | 0

0

answers

Question


Fixed point method question
I am completely at a loss. Any suggestions are appreciated. I am not looking for the answer, just something to get me started si...

9 years ago | 0 answers | 0

0

answers

Question


Velocity of a rocket Question (bisection method)
This is a question on my homework and I am completely at a loss. Any suggestions are appreciated. I am not looking for the answe...

9 years ago | 0 answers | 0

0

answers

Question


How to find the root via fixed point method?
I have a question for my homework and I don't know where to start with it. Any suggestions are appreciated.

9 years ago | 0 answers | 0

0

answers

Question


Find the fixed point?
I attached a screenshot of a problem I am having problems with. Can anyone give me a start? Thanks

9 years ago | 0 answers | 0

0

answers

Question


secant method code question
I attached a screenshot of a problem I am having problems with. Can anyone give me a start? Thanks

9 years ago | 0 answers | 0

0

answers

Question


Velocity of a rocket
I attached a screenshot of a problem I am having problems with. Can anyone give me a start? Thanks

9 years ago | 1 answer | 0

1

answer

Question


How to use fprintf function?
I have to print the values of f(x) = sin(x^3) at the points x = 5.201, −8323.6, 0.0003 in floating point (f format) with 8 digi...

9 years ago | 3 answers | 2

3

answers

Question


Why am I getting an error "vectors must be the same length"
I am trying to call an anonymous function to graph, one graph using 1 resolution, the other using .01 resolution. I keep getting...

9 years ago | 3 answers | 0

3

answers